Machine for winding disk coils



Dec. 26, 1933. H. DERSEN 5 L ,MACHINE FOR WINDING DISK COILS Filed Jan.20, 1930 Patented Dec.Z6,1933 I 1 941 391 4 N E ATEsr rEar oFFicE; 7

machine of this kind,'the construction of which a pointed'tip 13.

i V -1,941,391 v 1 MACHINE FOR WINDING DIs coILs I Heinrich Dersen, St.Tonis, near Krefeld, Gen

many, assignor to firm Maschinenfabrik Carl Zangs,Aktiengesellsehaft,Krefeld, Germany I l v 1,?

Applicationdanuaryfil), 1930, Serial No. 422,176,

g andin Germany January 28, 1229 I V *1 Claims. (01, 242 -18) w I w .Myinvention relates to a machine for the windmachine frame 2 a fixedbracket 6, on which are ing of coils, more particularly of disk coils,that located two bearings 7 and 8. The bearing 8 r is to say, of coilswhichare wound upon a stais'preferably fitted to a rod 9, which is,slidable tionary ,coil' body, .usually consisting ,of wood, in thebracket '6, and'can be clamped by means j which is provided at both,ends withfixed disks of a clamping screws, A shaft 10,-rotatable and orflanges; the coil body not being mounted upon longitudinally slidable inthe bearing 7, "carries a spindle but being clamped between resilient atone end the friction pinion 3,: and at the other pointed tips or thelike. end a disk 11, which is preferably coated'with I The object of, myinvention is to provide a frictional material 12, and carries in thecentre a is compact and independent of the length ofthe In the bearing 8is rotatably and slidably supcoils. q 1 ported a second pointed tip14,'which is adapted, A further object of my invention is to providetogether with the pointed tip 13, to clamp thej simple .to:operate,a=single springserving at the on the outside a pin 16, which isprovided at the same time for clamping the 'coil and forpressing endwith a head 17. The bearing 8 is provided thefriction wheel that: drivesthe coil againsta at the outer end with a lateral projection, infriction disk. g V V l which acylindrical body 19 is rotatably sup-"Finally another ob'ect of my invention is. to ported. The end of thecylinder. 19 projecting provide a machine in which a gradual engage:outof the bearing carries a small lever 20, the I mBlllL of :thedriving'means is possible, and; in end of which isconstructed as a disk21. On the which therefore the coil begins to rotate slowly, cylinder 19is mounted a pin 22, which engages and any sudden pulling and breakingof the in a slot 23 in the extension 13, this slot being thread isobviated. r v sotdimensioned that it limitsthe rotation of the amachinewhich will be simple to constructand .coil' 15. The cylindrical part ofthe tip 14'carries 1 One'co'nstructional example of the machine iscylinder .19 toabout degrees. Between the illustrated in theaccompanying 1 drawing, in cylinder 19 and the pointl l is mama spring24 which w I surrounding the shank 16, this spring tending to Figure lisa side elevation of the Winding'maforce the, tip 14 inwards. l The head17 isin this 7 chine, the means forftensioningandguiding the mannerpressed against the cylinder 19, and the jthread being omitted. w partof the cylin'derlB on which the head'r'l'l 5 Figure 2shows an exampleofalcoil unit in side bears' is cut away, approximately to the extent of;elevation, the driving means being engaged, one halflso that it forms acam guide, by means Figure 3 is an end view of the'coilujnit shown ofwhich the pointed tip 14 can be drawn back in Figure 2,-and l 7 againstthe pressure of the spring 24 or allowed Figure ,4 is a section throughtheouter end of to move inwards under the pressure of the the coil unitshown in Figure 2f'as. seen from spring 24. j above. U o r t The methodof working of the apparatus is The winding machine comprises aframe. 2,as followste I f' and a shaft 1 journalled in'the centre thereof, Thebearing 8 is so adjusted, by shifting the which extends throughout; theentire breadth rodj9 and clamping it by means of thescrew 9,

of the machine frame, and is driven by any suit; according to the lengthof the coil 15 to be wound, able means, not shown. 'Upon the shaft llisthat the spring 24, when itis permitted topush mounteda number offriction, disks 4, there being thepointed tip 14 forwards, presses thetip 14 v one friction disk for each two coil units located against'thecoilz15 and presses the latteragainst opposite to one another.The-friction wheels 3 the pointed tip '13 and the shaft 10, and therebybear with one side of their surface on the. peso displaces the shaft 10that the friction wheel riphery. of the friction disk and are driven byit." 3 bears on the friction disk 4, but is no longer 'I'hethreads runofi reels 5, which are provided pressed against ;the friction disk '4when the at the upper partof themachine framegu Each' pointed tip 14" issomewhat drawn back by the ,1 thread is guided by a tension device and arerotation of thecylinder l9, and the spring 24 is 1 ciprocating threadguide, which are both ofthe thereby somewhat compressed, a usualconstruction, and are not described or After the 'parts are thusadjusted the winding illustrated, since they-do not form part of thiscan begin. In the first place the lever 20 ,is invention. a I 1 I Vrocked in such away that the cam. end of the For each coil unit there'isprovided-on the cylinder 19 somewhat draws back the pointed tip ment inalin'ement with the winding shaft, the longitudinally displaceable inthe said bearing,

said abutment and winding shaft being adapted to hold a bobbin to bewound between their adjacent ends, a spring tending to press theabutment towards the winding shaft, and there'- by, if there is a bobbinbetween the abutment and the, winding shaft, to displace the windingshaft longitudinally so as to bring the friction wheel mounted thereoninto operative engagement with a friction disk on the machine shaft, acam adapted to retract the abutment against the action of the spring,and a manually operable lever for actuating the cam.

7. In a bobbin-winding machine, friction disks, means for continuouslyrotating the friction disks, and winding units each adapted to be drivenby one of the friction disks, each winding unit comprising a bracket, astationary bearing mounted on the bracket, a shaft rotatable andfriction disk.

a friction wheel secured to the said shaft and adapted to engage and bedriven by one of the frictionidisks, a second bearing mounted on thebracket in alinement with the said stationary bearing, a, second shaftlongitudinally displace-.

able in the secondgbearing, the two displaceable shafts being adapted tohold a bobbin between them, means tending to displace these two shafts,together with a bobbin held between them and the friction wheel, so asto press the friction wheel into engagement with the correspondingfriction disk, and means for counteracting at will this displacingtendency and keeping it counteracted, thereby allowing the frictionwheel to become and to remain disengaged from the I HEINRICH, DERSEN. L

